Cod sursa(job #522121)
| Utilizator | Data | 14 ianuarie 2011 13:41:02 | |
|---|---|---|---|
| Problema | Submultimi | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include<fstream.h>
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,k,x[17],s[17];
void afis()
{for(int i=1;i<=n;i++) if(x[i]) g<<i<<' ';
g<<'\n';
}
void back()
{k=1;x[k]=-1;
do{while(x[k]<1)
{x[k]++;
s[k]=s[k-1]+x[k];
if(k==n) {if(s[n]) afis();}
else {k++; x[k]=-1;}
}
k--;
}while(k);
}
int main()
{f>>n;
back();
g.close();
return 0;
}
